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Sold by: Nobsound(AU)
Sold by: Nobsound(AU)
(143 ratings)
88% positive over last 12 months
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P1 Bluetooth 5.0 Vacuum Tube Preamplifier Hi-Fi Valve Headphone Amplifier Wireless Receiver Audio Decoder Preamp USB DAC APTX

3.9 out of 5 stars 5 ratings

Price: $169.00
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Enhance your purchase

  • P1 is a Bluetooth vacuum & valve tube preamplifier and headphone amplifier. Headphone output is 160mW @32Ω and is suitable for 32~300Ω headphones and headsets.
  • Classic 6J5 vacuum & valve tube can provide warm retro tube sound. It can be replaced by US RCA / 6AH6, Russian 6C2C and so on.
  • It supports Bluetooth/USB/RCA inputs from various devices like iPod, Phone, MP3, TV, Blu-ray players, Echo Dot, CD players, computer etc.
  • Bluetooth 5.0 supports APT-X, APT-X LL lossless transmission. PC-USB supports 24bit 192KHz and is compatible with Windows/Mac/Linux system
  • Treble & bass control can achieve different sound style. Bypass function can suspend the tone control circuit to achieve purer music experience.
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Product details

  • Package Dimensions ‏ : ‎ 25.91 x 22.1 x 6.35 cm; 748 Grams
  • Date First Available ‏ : ‎ 27 June 2019
  • Manufacturer ‏ : ‎ Nobsound
  • ASIN ‏ : ‎ B07TJS2DBT
  • Item Model Number ‏ : ‎ DZ066
  • Customer Reviews:
    3.9 out of 5 stars 5 ratings

Frequently bought together

  • P1 Bluetooth 5.0 Vacuum Tube Preamplifier Hi-Fi Valve Headphone Amplifier Wireless Receiver Audio Decoder Preamp USB DAC APTX
  • +
  • Riverstone Audio - Matched Pair (2 Tubes) 7-Pin GE JAN 5654W Fully-Tested Vacuum Tubes - Upgrade for 5654 / 6AK5 / 6J1 / 6J1P
  • +
  • Matched Pair 7-Pin GE JAN 5654W Vacuum Tubes Upgrade for 6AK5/6J1/6Ж1/ EF95/6J1P
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Product description

Parameters:
Chip Architecture: CM6642+QCC3008+NE5532+classic 47
PC-USB Input Sampling Frequency: 192K/24Bit
THD: 0.01%
PC-USB System supported: XP/W7/W8/W10/MAC/Linux
Bluetooth VER: 5.0
Headphone matching impedance: 32-300Ω
SNR: 103dB
Headphone Max power output: 160mW 32Ω load
Working voltage: DC12V
Bass & Treble Range: ±6dB
Product Dimension: 180*118*36mm
RCA output level: 2.3V
Product Weight: 0.47kg
Frequency Range: 20Hz-20kHz(±3dB)
Package Dimension: 240*210*60mm

Packing List:
1*P1 Preamp
2*6J5 Tube
1*Power Supply
1*USB Cable
1*Bluetooth Antenna
1*Manual


Customer Questions & Answers

Customer reviews

3.9 out of 5 stars
3.9 out of 5
5 global ratings
5 star
41%
4 star
41%
3 star 0% (0%) 0%
2 star 0% (0%) 0%
1 star
17%
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Top reviews from Australia

Reviewed in Australia on 10 June 2020
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2 people found this helpful
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Reviewed in Australia on 24 September 2020
One person found this helpful
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Top reviews from other countries

Technutcal
5.0 out of 5 stars Liked it so much I bought another one!
Reviewed in Canada on 23 February 2020
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5.0 out of 5 stars Liked it so much I bought another one!
Reviewed in Canada on 23 February 2020
Didn't know what to expect but was very pleasantly surprised! Great sound and build quality for the money, not really tube like sound in my system (I am currently using Dared MP 7, Musical Paradise MP 301, MP 303, Dynaco ST 70) but extremely musical with the stock 6J5 tubes. On tone bypass mode the top end is ever so slightly rolled off, midrange a bit laid back but warm, not quite lush sounding (compared to all tube), bass is satisfying, but the sound is very well balanced and enjoyable! Maybe there's a hint of tube sound, enough to take the harshness out of digital. Bass and treble controls fine tune the sound without degradation. Adds authority and rounds out the sound perfectly for my Grado SR325e and SR80s while taming the sibilance. Streaming Spotify using the USB DAC, Marantz CD5000 through the RCAs, Samsung Galaxy S10 via Bluetooth through an Adcom GFA 555, Klipsch RM51s and absolutely pleased with my purchase! Tube sound? Not really, it's more of a tube buffer and maybe the tubiness is diminished by the solid state equipment downstream. But really great sound overall for the price? Definitely! Retro chic look rounds out the experience. Update: liked it so much I've ordered another one! Changed the tubes to GE 5654W for better detail and connected the preamp to a first gen netbook streaming Spotify through the built in DAC, vintage 70's Yamaha integrated amp and Klipsch RM 15 speakers.

Update: sadly after a few hours one of the tubes stopped glowing and the left channel died.... The other tube glowed much brighter than normal with lots of distortion in that channel.... Interchanged the two tubes and the issues changed sides too. Definitely the tubes... Swapped in the GE 5654 tubes I got off eBay for $5 and the pre-amplifier is singing again. The pre-amplifier is excellent... just the tubes are problematic. I've had similar problems with Chinese tubes so not a surprise. I have no doubt that Amazon would have looked after me very well but I had the tubes anyway and it was a cheap fix.... Actually upgrades the sound. For me, this experience in no way diminishes my impressions of the pre-amplifier. Love it!
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24 people found this helpful
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Joish
5.0 out of 5 stars Sounds great and very versatile! While it's working properly... But Douk cares!
Reviewed in Canada on 16 March 2020
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13 people found this helpful
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DonFisher
5.0 out of 5 stars Exceeded expectations
Reviewed in Canada on 6 December 2019
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10 people found this helpful
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Mike Nicolosi
5.0 out of 5 stars Quality sound
Reviewed in Canada on 24 October 2019
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5 people found this helpful
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Rudra Maharajh
1.0 out of 5 stars Great sound, great look. Maybe(?) weak bluetooth.
Reviewed in Canada on 8 January 2021
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One person found this helpful
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