Dual Bottle
Common name: Korby Audio Technologies Dual Bottle
Production Status: Discontinued / Vintage
The Dual Bottle is a dual-stage valve amplifier based around a EF804s vacuum tube. The microphone features Teflon coated single-stranded copper wire throughout, paper-pure copper foil output capacitors and a BV8-style output transformer. Components and wiring are hand-soldered with WBT silver solder. The Bottle can be used with any KAT capsule and includes a bayonet adapter.
Electrical Characteristics
Frequency Response
Hz - kHz
Output Sensitivity
mV/Pa
Max SPL
Max SPL, THD:
Self Noise (CCIR)
dB
Self Noise (DIN/IEC)
dB-A
Output Impedance
-
Recommended Load
Powering
Proprietary unit
Supply Current
mA
Alternative Powering
Switchable Options
Pad
Filter/EQ
Physical Characteristics
Connector
Connector notes
Available Colours
Weight
Length
Min diameter width
Max diameter
Depth
Accessories
Included
Optional