Audax HM170Z2 Bass Midrange

HM170Z2

Out of stock £110.75

Audax HM170Z2 Bass Midrange.

High performance 170mm / 6½ inch HD-Aerogel twin voicecoil bass midrange drive unit from the prestige range. Featuring a composite high definition Aerogel cone and fully ventilated Zamak chassis / pole piece. Twin edge wound voice coils can be configured for 4, 8 and 16 ohms. This drive unit has a neutral tonal balance with precise and detailed imaging - perfect for high end monitors.

New old stock - very, very rare, supply is limited.

Suggested ported application:

Volume (litres)	Fb	Port diameter	Port length	F3
45	35Hz	75mm	127mm	38Hz
45	28Hz	50mm	90mm	29Hz
15	45Hz	50mm	108mm	43Hz
8	53Hz	32mm	58mm	58Hz
8	40Hz	32mm	115mm	60Hz

Key Features:

HD-A (High Definition Aerogel) cone
Non resonant diecast Zamak chassis
2x edgewound flat copper voicecoil
High compliance rubber suspension
Kapton voice coil former
Gold plated terminals

Basic parameters:

Resonant frequency (fs)	35 Hz	Nominal impedance (Zn)	2x8 Ω
Mechanical Q factor (Qms)	7.6	DC resistance (Re)	2.7 Ω
Electrical Q factor (Qes)	0.37	RMS power handling	60 W
Total Q factor (Qts)	0.35	Sensitivity (2.83V/1m)	89 dB
Equivalent volume (Vas)	27.4L	Chassis (squared section)	188 mm

Here's the full datasheet: