Supratek grange signature with an excellent phono stage in black and chrome made in march “23”.
The remote isn’t working as I think it’s the sensor but haven’t had fixed due to distance from repairers.
Have original box so postage at buyers cost.
Tubes used
6J5 / E180F / 6E6P on the head unit
Power supply
6L6GC / 5AR4
As there is only 6 of these out in the wild
The RRP is $5000 USD.
WARRANTY INFORMATION (Private Seller)
The item being advertised is sold "as is", and no warranty should be assumed unless otherwise indicated and agreed between the Buyer and the Seller. Photos representing the item being advertised form part of the description unless otherwise specified.
This content has been generated using AI analysis. While we strive to ensure accuracy and quality, AI-generated material may occasionally contain errors or omissions. All information should be independently verified, and opinions expressed do not necessarily reflect those of the publishers or editors.
User reviews and community discussions praise the Supratek Grange Signature preamplifier for its exceptional sound quality, particularly its vivid, natural, and insightful tube sound, though direct mentions of the Grange Signature are limited amid broader enthusiasm for Supratek models like the Grange, Cabernet DHT, and Reference DHT. Owners highlight its ability to deliver lifelike mids, deep soundstage, tight bass, and emotional engagement, often outperforming entry-level or solid-state preamps.
### Sound Quality
- Strengths: Warm, natural, and highly revealing with "frightening" detail from vinyl grooves; excellent midrange texture (e.g., "lovely and real" female vocals, electric guitar separation); deeper soundstage, improved clarity, instrumental separation, and "soul" that makes music feel alive and organic. Bass is tight and impactful, highs extended yet sweet, transforming systems from "lifeless" or "dry" to "glorious, huge, rich."
- Tube influence: Performs best with DHT tubes like 45, 300B, or NOS 6J5, enhancing tonality, detail, and sweetness; phono stage noted for ultra-high resolution on moving coils.
### Build Quality
- Hand-built by designer Mick Maloney with decades of expertise in high-gain transformer-coupled designs; features constant current source tube-regulated power supply and shortest-path hardwiring. Described as "masterfully built," "beautifully styled," and a "high-end bargain" despite a utilitarian chassis appearance that looks fine in practice.
### Reliability
- Highly reliable long-term; many owners keep units for years on original tubes with no desire to upgrade. Customers report sustained satisfaction and vivid, realistic performance over time.
### Strengths
- Transforms systems with superior dynamics, timbre, tone color, and emotional impact; competitive with pricier preamps (e.g., compared favorably to $6k ARC); versatile tube options and direct manufacturer pricing make it a standout.
- Brings "new dimensions" even in high-end setups, emphasizing realism over "electronic" sound.
### Weaknesses
- Few criticisms noted; some mention midrange not as euphonic as competitors, and DHT bass historically challenging (though well-handled here). Wiring may appear messy due to short-path design, but not an issue functionally. Limited direct Grange Signature reviews, with most feedback on related models.
### Overall Reputation
Supratek preamps, including the Grange Signature, enjoy a cult following among audiophiles for their distinctive, artisan-crafted sound that prioritizes musical engagement and value. Owners describe them as "the finest preamp I've built," "superlative," and transformative, often nominating them for awards in the under-$5k category. Community threads show strong owner loyalty and recommendations for tube rolling and synergy.
### Sound Quality
- Strengths: Warm, natural, and highly revealing with "frightening" detail from vinyl grooves; excellent midrange texture (e.g., "lovely and real" female vocals, electric guitar separation); deeper soundstage, improved clarity, instrumental separation, and "soul" that makes music feel alive and organic. Bass is tight and impactful, highs extended yet sweet, transforming systems from "lifeless" or "dry" to "glorious, huge, rich."
- Tube influence: Performs best with DHT tubes like 45, 300B, or NOS 6J5, enhancing tonality, detail, and sweetness; phono stage noted for ultra-high resolution on moving coils.
### Build Quality
- Hand-built by designer Mick Maloney with decades of expertise in high-gain transformer-coupled designs; features constant current source tube-regulated power supply and shortest-path hardwiring. Described as "masterfully built," "beautifully styled," and a "high-end bargain" despite a utilitarian chassis appearance that looks fine in practice.
### Reliability
- Highly reliable long-term; many owners keep units for years on original tubes with no desire to upgrade. Customers report sustained satisfaction and vivid, realistic performance over time.
### Strengths
- Transforms systems with superior dynamics, timbre, tone color, and emotional impact; competitive with pricier preamps (e.g., compared favorably to $6k ARC); versatile tube options and direct manufacturer pricing make it a standout.
- Brings "new dimensions" even in high-end setups, emphasizing realism over "electronic" sound.
### Weaknesses
- Few criticisms noted; some mention midrange not as euphonic as competitors, and DHT bass historically challenging (though well-handled here). Wiring may appear messy due to short-path design, but not an issue functionally. Limited direct Grange Signature reviews, with most feedback on related models.
### Overall Reputation
Supratek preamps, including the Grange Signature, enjoy a cult following among audiophiles for their distinctive, artisan-crafted sound that prioritizes musical engagement and value. Owners describe them as "the finest preamp I've built," "superlative," and transformative, often nominating them for awards in the under-$5k category. Community threads show strong owner loyalty and recommendations for tube rolling and synergy.
This content has been generated using AI analysis. While we strive to ensure accuracy and quality, AI-generated material may occasionally contain errors or omissions. All information should be independently verified, and opinions expressed do not necessarily reflect those of the publishers or editors.
The fair market price for a Supratek Grange Signature Pre Amplifier is approximately AUD 11,000–13,000 for new units and AUD 8,000–10,000 for used examples in excellent condition, based on official USD pricing converted at recent exchange rates (around 1.50 AUD per USD) and limited resale data.
### Price Range Details
- New: Official pricing lists the Grange at US$6,000–6,500 (Powdercoat/Wood to Copper Chassis/Chrome/Wood finishes), equating to AUD 9,000–9,750 base plus Australian freight (AUD 150–200), totaling AUD 11,000–13,000 including custom build time (8–12 weeks).
- Used: A 2023 listing for a Supratek Grange Signature sold (or was priced) at US$5,000 (about AUD 7,500), suggesting strong used value retention at 75–80% of new for mint condition; older DHT variants appear similarly priced but with less data.
| Condition | Typical AUD Range | Key Examples |
|-----------|------------------|--------------|
| New | 11,000–13,000 | US$6,000–6,500 + freight |
| Used (Mint/Excellent) | 8,000–10,000 | US$5,000 (2023 Signature listing) |
### Key Factors Affecting Value
- Condition: New units command full price due to made-to-order production and limited release; used prices drop 20–30% for low-hour/mint items but further for high usage or missing original tubes (e.g., NOS 6J5 in Signature).
- Variant/Finish: Signature (6J5 tubes) vs. DHT (300B tubes); premium Copper/Chrome finishes add ~AUD 1,100 over Powdercoat.
- Accessories: Includes separate power supply and remote; original NOS tubes (e.g., E180F phono) boost value.
- Rarity/Market: Strictly limited production by one builder in Australia drives demand among tube enthusiasts, with few listings (enhancing used premiums); Australian location minimizes import costs locally.
- Currency/Location: AUD estimates use conservative 1.50 exchange; international buyers pay more in freight (US$350).
Prices reflect data up to 2023; current scarcity may elevate values slightly for this high-end, handbuilt model.
### Price Range Details
- New: Official pricing lists the Grange at US$6,000–6,500 (Powdercoat/Wood to Copper Chassis/Chrome/Wood finishes), equating to AUD 9,000–9,750 base plus Australian freight (AUD 150–200), totaling AUD 11,000–13,000 including custom build time (8–12 weeks).
- Used: A 2023 listing for a Supratek Grange Signature sold (or was priced) at US$5,000 (about AUD 7,500), suggesting strong used value retention at 75–80% of new for mint condition; older DHT variants appear similarly priced but with less data.
| Condition | Typical AUD Range | Key Examples |
|-----------|------------------|--------------|
| New | 11,000–13,000 | US$6,000–6,500 + freight |
| Used (Mint/Excellent) | 8,000–10,000 | US$5,000 (2023 Signature listing) |
### Key Factors Affecting Value
- Condition: New units command full price due to made-to-order production and limited release; used prices drop 20–30% for low-hour/mint items but further for high usage or missing original tubes (e.g., NOS 6J5 in Signature).
- Variant/Finish: Signature (6J5 tubes) vs. DHT (300B tubes); premium Copper/Chrome finishes add ~AUD 1,100 over Powdercoat.
- Accessories: Includes separate power supply and remote; original NOS tubes (e.g., E180F phono) boost value.
- Rarity/Market: Strictly limited production by one builder in Australia drives demand among tube enthusiasts, with few listings (enhancing used premiums); Australian location minimizes import costs locally.
- Currency/Location: AUD estimates use conservative 1.50 exchange; international buyers pay more in freight (US$350).
Prices reflect data up to 2023; current scarcity may elevate values slightly for this high-end, handbuilt model.
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