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orchardaudio

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Audio Company
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Aug 24, 2018
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Location
Succasunna, NJ
Currently Under Development

Preliminary Specifications:
  • Gain: 16.8dB or 6.92 (For 8 and 6Ω speakers)
  • Gain: 13.8dB or 4.89 (For 4 and 3Ω speakers)
  • Signal to Noise Ratio (SNR): 121dB (A-weighted)
  • Total Harmonic Distortion (THD): <0.0003% (-110dB) @ 7W
  • Frequency Response: DC - 60kHz
  • Sensitivity: 2.5Vin for 37.5W
  • Input Impedance: 5kΩ fully balanced for 8Ω amp
  • Input Impedance: 7.1kΩ fully balance for 4Ω amp
  • Output Power: 150W
  • Damping Factor: >400 @ 1kHz
  • Size: 5.5" (14cm) x 4.8" (12.2cm) x 1.9" (4.8cm)
IMG_1389.jpg


THD vs Power Plot 8 ohm load (Preliminary):
THD Ratio vs Measured Level.jpg




Follow this thread for updates, you can also subscribe to the mailing list on the website here: https://orchardaudio.com/bosc
 
Last edited:

Daverz

Major Contributor
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Mar 17, 2019
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Ouch, that input impedance is really low. I do like the lower gain. An exciting development.
 

solderdude

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Jul 21, 2018
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I sure hope it has DC protection on its output ... being DC to 40kHz and all.

@Daverz talks about the input impedance being 5k (for balanced) as noted in the specs. ;)
 
Last edited:
OP
orchardaudio

orchardaudio

Addicted to Fun and Learning
Audio Company
Joined
Aug 24, 2018
Messages
853
Likes
1,242
Location
Succasunna, NJ
OP
orchardaudio

orchardaudio

Addicted to Fun and Learning
Audio Company
Joined
Aug 24, 2018
Messages
853
Likes
1,242
Location
Succasunna, NJ
BOSC Pricing:
  • Indiegogo VIP: $999 for two (2) BOSC Amps - Register Now only 55 spot available
    • 33% Savings from an MSRP of $1499
  • Indiegogo Early Bird: $1099 for two (2) BOSC Amps - limited availability
    • 26% Savings from an MSRP of $1499
  • Indiegogo Regular Price: $1199 for two (2) BOSC Amps
    • 20% Savings from an MSRP of $1499
BOSC specification have been updated after the latest round of testing and can be found here:
https://orchardaudio.com/bosc
 
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